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Apple and Google co-developed a tracking app in April that helps users know whether they have a close contact history with COVID-19 patients. Supported by database and Bluetooth, the app can alert users of possible contact or infection before they are diagnosed.

Armenian acting prime minister Nikol Pashinyan casts his ballot during an early parliamentary election in Yerevan, Armenia Dec 9, 2018. [Photo/Agencies]

Around 20 provinces and municipalities, as well as 30 companies in China, have donated medical supplies and equipment such as respirators, CT machines, protective clothing, testing equipment and hospital beds to Brazil.

Artificial intelligence is one development focus. Smartphone makers are also pinning their hopes on foldable screens to revive the market, with Xiaomi, Samsung, Huawei and Oppo scrambling to roll out their foldable phones.

Arthur C. Clarke